Ignacio N.

11,000+ Upwork hours | 100+ successful projects
Top 0.25% of Upwork freelancers worldwide
Top 1% in JavaScript, Next.js, React, React Native & Node.js

I help startups and growing companies build, scale, and modernize software products from MVPs to AI-native platforms.

I'm not just a developer. I work directly with founders and teams to make the right technical decisions, move faster, and reduce execution risk.

🚀 Fractional CTO & Technical Leadership

Need senior technical leadership without hiring a full-time CTO?

I can help with:

• Technical strategy and architecture
• Product and engineering roadmaps
• Technical decision-making
• Building and managing engineering teams
• Legacy modernization
• Cloud architecture and scalability
• AI adoption and technical strategy
• End-to-end product delivery

🤖 AI-Native Products & Agentic Systems

I build AI systems that go beyond basic chatbot integrations.

Experience includes:

• AI agents and agentic workflows
• Multi-agent systems
• MCP (Model Context Protocol)
• RAG and vector search
• OpenAI and Claude integrations
• AI copilots
• Workflow automation
• AI-powered SaaS products
• Internal AI systems

I focus on turning AI into real product and business value, not simply adding an LLM to an existing application.

💻 Full-Stack Product Development

I build production-ready web applications using:

Next.js · React · TypeScript · Node.js · NestJS · FastAPI · PostgreSQL · Prisma · Supabase · Tailwind · AWS · Docker · Vercel**

I care about architecture, maintainability, performance, and building systems that can evolve as the business grows.

📱 Mobile Development

I build production mobile applications with: